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  • Question
  • The helix angle of a drill is more than 30° for drilling aluminium.


  • Options
  • A. Agree
  • B. Disagree

  • Correct Answer
  • Agree 


  • Production Engineering problems


    Search Results


    • 1. The type of tool used on milling machine and broaching machine is

    • Options
    • A. single point cutting tool
    • B. two point cutting tool
    • C. three point cutting tool
    • D. multi-point cutting tool
    • Discuss
    • 2. A dense structure of a grinding wheel is used for

    • Options
    • A. hard materials
    • B. brittle materials
    • C. fnishing cuts
    • D. all of these
    • Discuss
    • 3. The part of the tool on which cutting edge is formed is called nose.

    • Options
    • A. Correct
    • B. Incorrect
    • Discuss
    • 4. The size of abrasive grain required in a grinding wheel depends upon the

    • Options
    • A. amount of material to be removed
    • B. hardness of material being ground
    • C. finish desired
    • D. all of these
    • Discuss
    • 5. In the relation VTn = C, the value of n for ceramic tools is

    • Options
    • A. 0.1 to 0.2
    • B. 0.20 to 0.25
    • C. 0.25 to 0.40
    • D. 0.40 to 0.55
    • Discuss
    • 6. The ratio between two consecutive spindle speeds for a six-speed drilling machine using drills of diameter 6.25 to 25 mm size and at a cutting velocity of 18 m/min is

    • Options
    • A. 1.02
    • B. 1.32
    • C. 1.66
    • D. 1.82
    • Discuss
    • 7. The stroke of a shaping machine is 250 mm. It makes 30 double strokes per minute. The overall average speed of operation is

    • Options
    • A. 3.75 m/min
    • B. 5 m/min
    • C. 7.5 m/min
    • D. 15 m/min
    • Discuss
    • 8. The swing diameter over carriage is always less than the swing diameter over bed.

    • Options
    • A. Yes
    • B. No
    • Discuss
    • 9. A single point tool has

    • Options
    • A. rake angle
    • B. cutting angle
    • C. lip angle
    • D. all of these
    • Discuss
    • 10. The keyways, grooves and slots cannot be cut on a shaper.

    • Options
    • A. True
    • B. False
    • Discuss


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